A358919 - cp's OEIS frontend

A358919 a(0) = 0, and for any n >= 0, a(n+1) is the sum of the lengths of the runs of consecutive terms a(i), ..., a(j) with 0 <= i <= j <= n such that a(i) XOR ... XOR a(j) = a(n) (where XOR denotes the bitwise XOR operator).

n	a(n)
0	0
1	1
2	3
3	1
4	4
5	1
6	5
7	5
8	10
9	4
10	12
11	18
12	1
13	13
14	8
15	22
16	44
17	7
18	52
19	1
20	19
21	35
22	10
23	43
24	53
25	7
26	68
27	1
28	31
29	24
30	56
31	73
32	8
33	126
34	105
35	35
36	71
37	36
38	71
39	60
40	70
41	1
42	124
43	180
44	10
45	172
46	41
47	182
48	40
49	288
50	1
51	232
52	15
53	201
54	4
55	271
56	6
57	213
58	1
59	233
60	14
61	230
62	25
63	216
64	9
65	157
66	115

[0, 1, 3, 1, 4, 1, 5, 5, 10, 4, 12, 18, 1, 13, 8, 22, 44, 7, 52, 1, 19, 35, 10, 43, 53, 7, 68, 1, 31, 24, 56, 73, 8, 126, 105, 35, 71, 36, 71, 60, 70, 1, 124, 180, 10, 172, 41, 182, 40, 288, 1, 232, 15, 201, 4, 271, 6, 213, 1, 233, 14, 230, 25, 216, 9, 157, 115]

cp's OEIS Frontend

A358919 a(0) = 0, and for any n >= 0, a(n+1) is the sum of the lengths of the runs of consecutive terms a(i), ..., a(j) with 0 <= i <= j <= n such that a(i) XOR ... XOR a(j) = a(n) (where XOR denotes the bitwise XOR operator).

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	1
4	4
5	1
6	5
7	5
8	10
9	4
10	12
11	18
12	1
13	13
14	8
15	22
16	44
17	7
18	52
19	1
20	19
21	35
22	10
23	43
24	53
25	7
26	68
27	1
28	31
29	24
30	56
31	73
32	8
33	126
34	105
35	35
36	71
37	36
38	71
39	60
40	70
41	1
42	124
43	180
44	10
45	172
46	41
47	182
48	40
49	288
50	1
51	232
52	15
53	201
54	4
55	271
56	6
57	213
58	1
59	233
60	14
61	230
62	25
63	216
64	9
65	157
66	115

n	a(n)
0	0
1	1
2	3
3	1
4	4
5	1
6	5
7	5
8	10
9	4
10	12
11	18
12	1
13	13
14	8
15	22
16	44
17	7
18	52
19	1
20	19
21	35
22	10
23	43
24	53
25	7
26	68
27	1
28	31
29	24
30	56
31	73
32	8
33	126
34	105
35	35
36	71
37	36
38	71
39	60
40	70
41	1
42	124
43	180
44	10
45	172
46	41
47	182
48	40
49	288
50	1
51	232
52	15
53	201
54	4
55	271
56	6
57	213
58	1
59	233
60	14
61	230
62	25
63	216
64	9
65	157
66	115

n	a(n)
0	0
1	1
2	3
3	1
4	4
5	1
6	5
7	5
8	10
9	4
10	12
11	18
12	1
13	13
14	8
15	22
16	44
17	7
18	52
19	1
20	19
21	35
22	10
23	43
24	53
25	7
26	68
27	1
28	31
29	24
30	56
31	73
32	8
33	126
34	105
35	35
36	71
37	36
38	71
39	60
40	70
41	1
42	124
43	180
44	10
45	172
46	41
47	182
48	40
49	288
50	1
51	232
52	15
53	201
54	4
55	271
56	6
57	213
58	1
59	233
60	14
61	230
62	25
63	216
64	9
65	157
66	115